Passwords in the Air
Changyu Li, Quanpu Cai, Juanru Li, Hui Liu, Yuanyuan Zhang, Dawu Gu, Yu Yu · 2018
Smart devices without an interactive UI (e.g., a smart bulb) typically rely on specific provisioning schemes to connect to wireless networks. Among all the provisioning schemes, SmartCfg is a popular technology to configure the connection between smart devices and wireless routers. Although the SmartCfg technology facilitates the Wi-Fi configuration, existing solutions seldom take into serious consideration the protection of credentials and therefore introduce security threats against Wi-Fi credentials.